books.google.com - In this third volume of his modern introduction to quantum field theory, Eberhard Zeidler examines the mathematical and physical aspects of gauge theory as a principle tool for describing the four fundamental forces which act in the universe: gravitative, electromagnetic, weak interaction and strong...https://books.google.com/books/about/Quantum_Field_Theory_III_Gauge_Theory.html?id=miwuxaEXvOsC&utm_source=gb-gplus-shareQuantum Field Theory III: Gauge Theory